On a whim, I typed "ROMA Second Life" into the YouTube search engine and came up with two great videos made my Citizens I formerly had no idea about. The first is by a YouTube user called brotofwar (SL name unknown):
Update: brotofwar has declared himself! It is legionary Franck Gazov!
The second is by citizen Ryann Taov:
See these blog entries for other videos by ROMA Flaminia Amalthea McMahon and by Rik Riel.